Format/length:	an35
HES item:
National Codes:
Default Codes:

Notes:

Notes:
This may also be referred to as the MHMDS-RID.

Definition:
This is a unique number generated and inserted into the MHMDS data and may be used to enable a recipient to uniquely identify each and every MHMDS record.
The MHMDS-RID consists of the following components:

REF	RID COMPONENT	FORMAT	CODES / VALUES
1	MHMDS SOURCE IDENTIFICATION	an5	As generated in the MHMDS HEADER STRUCTURE of the Mental Health Minimum Data Set
2	Not Used	an2	Set = Blank
3	MHMDS CONTROL NUMBER	an14 (n7) *	As generated in the MHMDS HEADER STRUCTURE of the Mental Health Minimum Data Set
4	MHMDS RECORD NUMBER	an14 (n7) *	A sequentially incremented number starting at zero, incremented for each and every MHMDS record within an individual MHMDS file. * A maximum value of 9,999,999 (per individual file) is permitted.

Usage:
Where required, users of MHMDS data must establish their own procedures for recording and using the MHMDS Record Identifier.
 

This data element is also known by these names:

Context	Alias
plural	MHMDS RECORD IDENTIFIERS